<template>
  <div class="account-box">
    <div class="form">
      <!-- errors: 当前表单所有校验不通过的错误信息都会自动放到errors内部 -->
      <Form
        class="form"
        :validation-schema="mySchema"
        v-slot="{ errors }"
        autocomplete="off"
        ref="formTarget"
      >
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <!--
              1. v-model双向绑定
              2. 通过name指定要使用哪个校验函数进行表单校验
              3. 通过控制error类名的显示让校验不过的时候显示一个红色的边框
                error: errors.account 如果当前字段校验没过 errors对象中就会有
                对应的错误提示语 errors.account就为true error类名就会显示
             -->
            <Field
              v-model="form.account"
              name="account"
              type="text"
              placeholder="请输入用户名"
              :class="{ error: errors.account }"
            />
            <!-- <input type="text" placeholder="请输入用户名或手机号" /> -->
          </div>
          <!-- 表单验证错误信息提示 -->
          <!--
            只有校验不过才显示
           -->
          <div class="error" v-if="errors.account">
            <i class="iconfont icon-warning" />{{ errors.account }}
          </div>

        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <Field
              :class="{ error: errors.password }"
              v-model="form.password"
              name="password"
              type="password"
              placeholder="请输入密码"
            />
            <!-- <input type="password" placeholder="请输入密码" /> -->
          </div>
          <div class="error" v-if="errors.password">
            <i class="iconfont icon-warning" />{{ errors.password }}
          </div>
           </div>
     </Form>
      <a href="javascript:;" class="btn" @click="doValidate">登录</a>
    </div>
  </div>
</template>
<script>
import { Form, Field } from 'vee-validate'
import { reactive, ref } from 'vue'
import { useStore } from 'vuex'
import { useRoute, useRouter } from 'vue-router'
import Message from '@/components/Message/index.js'
export default {
  components: {
    Form, Field
  },
  setup () {
    // 表单双向绑定的数据
    const form = reactive({
      account: '',
      password: ''
    })
    // 校验对象数据
    const mySchema = {
      account (value) {
        if (!value) return '请输入用户名'
        return true
      },
      password (value) {
        if (!value) return '请输入密码'
        if (!/^\w{6,24}$/.test(value)) return '密码是6-24个字符'
        return true
      }
    }
    const formTarget = ref(null)
    const store = useStore()
    const router = useRouter()
    const route = useRoute()
    async function doValidate () {
      // 兜底校验
      console.log(formTarget.value.validate())
      const result = await formTarget.value.validate()
      // 所有校验通过 result为true 但凡有一个不过 result就是false

      if (result) {
        // todos 登录接口请求
        await store.dispatch('user/doLogin', form)
        // 跳转首页
        // 判断有没有参数 redirect 有就跳到参数value的地方 否则才跳到首页
        const redirect = route.query.redirect
        if (redirect) {
          router.push(decodeURIComponent(redirect))
        } else {
          router.push('/')
        }
        Message({ type: 'success', text: '登录成功' })
      }
    }
    return {
      form,
      mySchema,
      formTarget,
      doValidate
    }
  }
}
</script>
<style lang="less" scoped>
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @xtxColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 20px 20px 20px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,
          &:focus {
            border-color: @xtxColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
